The Talos Principle 2 is a thought-provoking first-person puzzle experience that greatly expands on the first game's philosophical themes and stunning environments with increasingly mind-bending challenges.

Andarin Weppes is a first person puzzle experience of a man with ever advancing dementia...

During an expedition to the Moon, two astronauts find themselves in a familiar town back on Earth. They soon discover the town is the beginning of a strange and mysterious journey...

From the creators of What Remains of Edith Finch. Enter the surreal world of The Unfinished Swan and explore a mysterious, hidden kingdom by splatting paint to reveal the world around you.

In Frame of Mind, you are placed in a world where logic is escaping you. Each area of the game defies reason, requiring you to think outside the box in order to solve the illogical and escape madness.

Maquette is a first-person recursive puzzle game that takes you into a world where every building, plant, and object are simultaneously tiny and staggeringly huge.

A serene first-person puzzle platformer set across strikingly beautiful worlds. Place and remove cubes to solve handcrafted puzzles, discover hidden secrets, and lose yourself in an atmosphere unlike anything else. Includes a full level editor and Steam Workshop support.

What if someone knew your mind better than you did? The Swapper is an award-winning, narrative driven puzzle game set in the furthest reaches of space.

Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

Space Expedition is a 2D sci-fi platformer where you play as an astronaut who is sent to a space station to collect samples of mysterious dark matter. Space Expedition combines puzzle platforming, pixel art, and atmospheric adventures set in the style of 1980s sci-fi horror films.